/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/Party/PartyMember.h
Platform data fields for party replication
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FPartyMemberPlatformData
FUserPlatform
Platform
Native platform on which this party member is playing.
FString
SessionId
The platform session this member is in.
FUniqueNetIdRep...
UniqueId
Net ID for this party member on their native platform.